root / snf-astakos-app / astakos / im / resources.py @ 1e361a6d
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1 | b1ea24f3 | Giorgos Korfiatis | # Copyright 2013 GRNET S.A. All rights reserved.
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2 | b1ea24f3 | Giorgos Korfiatis | #
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3 | b1ea24f3 | Giorgos Korfiatis | # Redistribution and use in source and binary forms, with or
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4 | b1ea24f3 | Giorgos Korfiatis | # without modification, are permitted provided that the following
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5 | b1ea24f3 | Giorgos Korfiatis | # conditions are met:
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6 | b1ea24f3 | Giorgos Korfiatis | #
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7 | b1ea24f3 | Giorgos Korfiatis | # 1. Redistributions of source code must retain the above
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8 | b1ea24f3 | Giorgos Korfiatis | # copyright notice, this list of conditions and the following
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9 | b1ea24f3 | Giorgos Korfiatis | # disclaimer.
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10 | b1ea24f3 | Giorgos Korfiatis | #
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11 | b1ea24f3 | Giorgos Korfiatis | # 2. Redistributions in binary form must reproduce the above
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12 | b1ea24f3 | Giorgos Korfiatis | # copyright notice, this list of conditions and the following
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13 | b1ea24f3 | Giorgos Korfiatis | # disclaimer in the documentation and/or other materials
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14 | b1ea24f3 | Giorgos Korfiatis | # provided with the distribution.
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15 | b1ea24f3 | Giorgos Korfiatis | #
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16 | b1ea24f3 | Giorgos Korfiatis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | b1ea24f3 | Giorgos Korfiatis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | b1ea24f3 | Giorgos Korfiatis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | b1ea24f3 | Giorgos Korfiatis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | b1ea24f3 | Giorgos Korfiatis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | b1ea24f3 | Giorgos Korfiatis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | b1ea24f3 | Giorgos Korfiatis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | b1ea24f3 | Giorgos Korfiatis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | b1ea24f3 | Giorgos Korfiatis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | b1ea24f3 | Giorgos Korfiatis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | b1ea24f3 | Giorgos Korfiatis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | b1ea24f3 | Giorgos Korfiatis | # POSSIBILITY OF SUCH DAMAGE.
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28 | b1ea24f3 | Giorgos Korfiatis | #
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29 | b1ea24f3 | Giorgos Korfiatis | # The views and conclusions contained in the software and
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30 | b1ea24f3 | Giorgos Korfiatis | # documentation are those of the authors and should not be
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31 | b1ea24f3 | Giorgos Korfiatis | # interpreted as representing official policies, either expressed
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32 | b1ea24f3 | Giorgos Korfiatis | # or implied, of GRNET S.A.
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33 | b1ea24f3 | Giorgos Korfiatis | |
34 | 3a527b3a | Giorgos Korfiatis | from astakos.im.models import Resource |
35 | 9747707e | Giorgos Korfiatis | from astakos.im.quotas import qh_add_resource_limit, qh_sync_new_resource |
36 | 9747707e | Giorgos Korfiatis | import logging |
37 | b1ea24f3 | Giorgos Korfiatis | |
38 | 9747707e | Giorgos Korfiatis | logger = logging.getLogger(__name__) |
39 | b1ea24f3 | Giorgos Korfiatis | |
40 | c8618788 | Giorgos Korfiatis | fields = ['name', 'desc', 'unit', 'allow_in_projects'] |
41 | 9747707e | Giorgos Korfiatis | |
42 | b1ea24f3 | Giorgos Korfiatis | |
43 | 3a527b3a | Giorgos Korfiatis | class ResourceException(Exception): |
44 | 3a527b3a | Giorgos Korfiatis | pass
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45 | 3a527b3a | Giorgos Korfiatis | |
46 | 3a527b3a | Giorgos Korfiatis | |
47 | 3a527b3a | Giorgos Korfiatis | def add_resource(service, resource_dict): |
48 | 3a527b3a | Giorgos Korfiatis | name = resource_dict.get('name')
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49 | 3a527b3a | Giorgos Korfiatis | if not name: |
50 | 3a527b3a | Giorgos Korfiatis | raise ResourceException("Malformed resource dict.") |
51 | 3a527b3a | Giorgos Korfiatis | |
52 | 9747707e | Giorgos Korfiatis | try:
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53 | 9747707e | Giorgos Korfiatis | r = Resource.objects.get_for_update(name=name) |
54 | 3a527b3a | Giorgos Korfiatis | exists = True
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55 | 9747707e | Giorgos Korfiatis | except Resource.DoesNotExist:
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56 | 3a527b3a | Giorgos Korfiatis | r = Resource(uplimit=0)
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57 | 3a527b3a | Giorgos Korfiatis | exists = False
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58 | b1ea24f3 | Giorgos Korfiatis | |
59 | 3a527b3a | Giorgos Korfiatis | r.service = service |
60 | 3a527b3a | Giorgos Korfiatis | for field in fields: |
61 | 3a527b3a | Giorgos Korfiatis | value = resource_dict.get(field) |
62 | 3a527b3a | Giorgos Korfiatis | if value is not None: |
63 | 3a527b3a | Giorgos Korfiatis | setattr(r, field, value)
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64 | b1ea24f3 | Giorgos Korfiatis | |
65 | 9747707e | Giorgos Korfiatis | r.save() |
66 | 3a527b3a | Giorgos Korfiatis | if not exists: |
67 | 3a527b3a | Giorgos Korfiatis | qh_sync_new_resource(r, 0)
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68 | b1ea24f3 | Giorgos Korfiatis | |
69 | 3a527b3a | Giorgos Korfiatis | if exists:
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70 | 3a527b3a | Giorgos Korfiatis | logger.info("Updated resource %s." % (name))
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71 | 9747707e | Giorgos Korfiatis | else:
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72 | 3a527b3a | Giorgos Korfiatis | logger.info("Added resource %s." % (name))
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73 | 73c02f75 | Giorgos Korfiatis | return r, exists
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74 | 720955ff | Giorgos Korfiatis | |
75 | 720955ff | Giorgos Korfiatis | |
76 | 3a527b3a | Giorgos Korfiatis | def update_resource(resource, uplimit): |
77 | 3a527b3a | Giorgos Korfiatis | old_uplimit = resource.uplimit |
78 | 3a527b3a | Giorgos Korfiatis | resource.uplimit = uplimit |
79 | 3a527b3a | Giorgos Korfiatis | resource.save() |
80 | 720955ff | Giorgos Korfiatis | |
81 | 3a527b3a | Giorgos Korfiatis | logger.info("Updated resource %s with limit %s."
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82 | 3a527b3a | Giorgos Korfiatis | % (resource.name, uplimit)) |
83 | 720955ff | Giorgos Korfiatis | diff = uplimit - old_uplimit |
84 | 720955ff | Giorgos Korfiatis | if diff != 0: |
85 | 3a527b3a | Giorgos Korfiatis | qh_add_resource_limit(resource, diff) |
86 | 08043775 | Giorgos Korfiatis | |
87 | 08043775 | Giorgos Korfiatis | |
88 | 08043775 | Giorgos Korfiatis | def get_resources(resources=None, services=None): |
89 | 08043775 | Giorgos Korfiatis | if resources is None: |
90 | 08043775 | Giorgos Korfiatis | rs = Resource.objects.all() |
91 | 08043775 | Giorgos Korfiatis | else:
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92 | 08043775 | Giorgos Korfiatis | rs = Resource.objects.filter(name__in=resources) |
93 | 08043775 | Giorgos Korfiatis | |
94 | 08043775 | Giorgos Korfiatis | if services is not None: |
95 | 08043775 | Giorgos Korfiatis | rs = rs.filter(service__in=services) |
96 | 08043775 | Giorgos Korfiatis | |
97 | 08043775 | Giorgos Korfiatis | resource_dict = {} |
98 | 08043775 | Giorgos Korfiatis | for r in rs: |
99 | 08043775 | Giorgos Korfiatis | resource_dict[r.full_name()] = r.get_info() |
100 | 08043775 | Giorgos Korfiatis | |
101 | 08043775 | Giorgos Korfiatis | return resource_dict |